Global Patent Index - EP 0001082 B1

EP 0001082 B1 19800723 - PROCESS FOR THE PREPARATION OF DIALKYL CARBONATES

Title (en)

PROCESS FOR THE PREPARATION OF DIALKYL CARBONATES

Publication

EP 0001082 B1 19800723 (DE)

Application

EP 78100766 A 19780828

Priority

DE 2740243 A 19770907

Abstract (en)

[origin: US4181676A] An improved process for the preparation of a dialkyl carbonate by contacting a glycol carbonate with alcohol at an elevated temperature in the presence of an alkali metal or alkali metal compound, the improvement residing in employing less than 0.01 percent by weight of alkali metal and/or alkali metal compound, based upon the weight the reaction mixture.

IPC 1-7

C07C 69/96; C07C 68/06

IPC 8 full level

C07C 69/96 (2006.01); B01J 23/00 (2006.01); B01J 27/00 (2006.01); B01J 31/00 (2006.01); C07B 61/00 (2006.01); C07C 29/128 (2006.01); C07C 68/06 (2006.01)

CPC (source: EP US)

C07C 29/128 (2013.01 - EP US); C07C 68/065 (2013.01 - EP US); Y02P 20/52 (2015.11 - EP US)

C-Set (source: EP US)

  1. C07C 68/065 + C07C 69/96
  2. C07C 29/128 + C07C 31/202
  3. C07C 29/128 + C07C 31/205

Designated contracting state (EPC)

BE CH DE FR GB LU NL

DOCDB simple family (publication)

EP 0001082 A1 19790321; EP 0001082 B1 19800723; DE 2740243 A1 19790315; DE 2860078 D1 19801113; IT 1106296 B 19851111; IT 7850968 A0 19780905; JP S5448715 A 19790417; JP S6116267 B2 19860428; US 4181676 A 19800101

DOCDB simple family (application)

EP 78100766 A 19780828; DE 2740243 A 19770907; DE 2860078 T 19780828; IT 5096878 A 19780905; JP 10820178 A 19780905; US 93872578 A 19780831